package com.qing.service;

import com.spring.BeanPostProcessor;
import com.spring.Component;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

@Component
public class MyBeanPostProcessor implements BeanPostProcessor {
	@Override
	public Object postProcessBeforeInitialization(Object bean, String beanName) {
		System.out.println("--------------------------初始化前----------");
		return bean;
	}

	@Override
	public Object postProcessAfterInitialization(Object bean, String beanName) {
		System.out.println("-----------初始化后--------------------");

		if(beanName.equals("userService")){
			Object proxyInstance=Proxy.newProxyInstance(MyBeanPostProcessor.class.getClassLoader(), bean.getClass().getInterfaces(), new InvocationHandler() {
				@Override
				public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
					System.out.println("代理逻辑");
					return method.invoke(bean,args);
				}
			});
			return proxyInstance;
		}
		return bean;
	}
}
